public void TestCase1()
{
//Arrange
decimal bal = 100m;
var visa = new Visa(bal);
var mc = new MasterCard(bal);
var disc = new Discover(bal);
Wallet homersWallet = new Wallet();
homersWallet.AddCard(visa);
homersWallet.AddCard(mc);
homersWallet.AddCard(disc);
Person homer = new Person("Homer J Simpson", new List <Wallet>()
{
homersWallet
});
//Act
decimal interestHomer = InterestCalculator.CalculatePersonSimpleInterest(homer);
decimal interestVisa = InterestCalculator.CalculateSimpleInterest(visa.CurrentBalance, visa.InterestRate);
decimal interestMasterCard = InterestCalculator.CalculateSimpleInterest(mc.CurrentBalance, mc.InterestRate);
decimal interestDiscover = InterestCalculator.CalculateSimpleInterest(disc.CurrentBalance, disc.InterestRate);
//Assert
Assert.Equal(16m, interestHomer); //Total simple interest for the person
Assert.Equal(10m, interestVisa); //Simple interest per card
Assert.Equal(5m, interestMasterCard);
Assert.Equal(1m, interestDiscover);
Assert.Equal(interestHomer, interestVisa + interestMasterCard + interestDiscover); //Total should equal the sum of all cards
}
public void TwoPersonsOneWalletEach()
{
var person1 = new Person();
var wallet1 = new Wallet();
wallet1.AddCard(new Visa(100));
wallet1.AddCard(new Mastercard(100));
wallet1.AddCard(new Discover(100));
person1.GiveWallet(wallet1);
var person2 = new Person();
var wallet2 = new Wallet();
wallet2.AddCard(new Visa(100));
wallet2.AddCard(new Mastercard(100));
person2.GiveWallet(wallet2);
Assert.IsTrue(person1.CalculateSimpleInterest() == 16d);
Assert.IsTrue(wallet1.GetSimpleInterest() == 16d);
Assert.IsTrue(person2.CalculateSimpleInterest() == 15d);
Assert.IsTrue(wallet2.GetSimpleInterest() == 15d);
}
public void AddCardToWallet(string name, double interest, double balance)
{
sut.AddCard(name, interest, balance);
cardBuilderMock
.Verify(x => x.BuildCreditCard(name, interest, balance), Times.Once);
Assert.That(sut.Cards.Contains(cardMock.Object));
}
public void Test1()
{
Wallet wallet = new Wallet();
Person person = new Person();
wallet.AddCard(visa);
wallet.AddCard(mastercard);
wallet.AddCard(discover);
person.AddWallet(wallet);
double personInterest = person.CalculatePersonInterest();
Assert.AreEqual(personInterest, 16);
}
public void OnePersonOneWallet()
{
var person = new Person();
var wallet = new Wallet();
var visaId = wallet.AddCard(new Visa(100));
var masterId = wallet.AddCard(new Mastercard(100));
var discId = wallet.AddCard(new Discover(100));
person.GiveWallet(wallet);
Assert.IsTrue(person.CalculateSimpleInterest() == 16d);
Assert.IsTrue(wallet.retrieveCard(visaId).GetSimpleInterest() == 10d);
Assert.IsTrue(wallet.retrieveCard(masterId).GetSimpleInterest() == 5d);
Assert.IsTrue(wallet.retrieveCard(discId).GetSimpleInterest() == 1d);
}
public void FirstTest()
{
var person = new Person("First", "Person");
var wallet = new Wallet();
wallet.AddCard(_visa);
wallet.AddCard(_masterCard);
wallet.AddCard(_discover);
person.AddWallet(wallet);
double totalInterest = 0.00;
// Sum the total interest per card per wallet.
person.Wallets.ForEach(ww => totalInterest += ww.CalculateTotalInterest());
Console.WriteLine($"Total interest for {person.FullName} is {totalInterest.ToString("C")}\n");
var aggregateCardInterest = (_discover.GetMonthlyInterestStatement() +
_masterCard.GetMonthlyInterestStatement() + _visa.GetMonthlyInterestStatement());
Assert.IsTrue(totalInterest == aggregateCardInterest);
person.Wallets.ForEach(ww =>
ww.CreditCards.ForEach(cc =>
{
// Testing the expected interest return values per card.
switch (cc.CardType)
{
case CreditCardType.Discover:
Assert.AreEqual(cc.GetMonthlyInterestStatement(), _discover.GetMonthlyInterestStatement());
break;
case CreditCardType.MasterCard:
Assert.AreEqual(cc.GetMonthlyInterestStatement(), _masterCard.GetMonthlyInterestStatement());
break;
case CreditCardType.Visa:
Assert.AreEqual(cc.GetMonthlyInterestStatement(), _visa.GetMonthlyInterestStatement());
break;
}
Console.WriteLine($"{cc.CardName} has {cc.GetMonthlyInterestStatement().ToString("C")}\n");
}));
}
public void TestCase3()
{
//Arrange
decimal bal = 100m;
var visa = new Visa(bal);
var mc = new MasterCard(bal);
var disc = new Discover(bal);
Wallet bartsWallet = new Wallet();
bartsWallet.AddCard(mc);
bartsWallet.AddCard(mc);
bartsWallet.AddCard(visa);
Person bart = new Person("Bart Simpson", new List <Wallet>()
{
bartsWallet
});
Wallet lisasWallet = new Wallet();
lisasWallet.AddCard(visa);
lisasWallet.AddCard(mc);
Person lisa = new Person("Lisa Simpson", new List <Wallet>()
{
lisasWallet
});
//Act
decimal interestBart = InterestCalculator.CalculatePersonSimpleInterest(bart);
decimal interestBartsWallet = InterestCalculator.CalculateWalletSimpleInterest(bartsWallet);
decimal interestLisa = InterestCalculator.CalculatePersonSimpleInterest(lisa);
decimal interestLisasWallet = InterestCalculator.CalculateWalletSimpleInterest(lisasWallet);
//Assert
Assert.Equal(20m, interestBart);
Assert.Equal(15m, interestLisa);
Assert.Equal(20m, interestBartsWallet);
Assert.Equal(15m, interestLisasWallet);
}
public void OnePersonTwoWallets()
{
var person = new Person();
var wallet1 = new Wallet();
wallet1.AddCard(new Visa(100));
wallet1.AddCard(new Discover(100));
person.GiveWallet(wallet1);
var wallet2 = new Wallet();
wallet2.AddCard(new Mastercard(100));
person.GiveWallet(wallet2);
Assert.IsTrue(person.CalculateSimpleInterest() == 16d);
Assert.IsTrue(wallet1.GetSimpleInterest() == 11d);
Assert.IsTrue(wallet2.GetSimpleInterest() == 5d);
}
public void Test3()
{
Wallet wallet1 = new Wallet();
Wallet wallet2 = new Wallet();
Person person1 = new Person();
Person person2 = new Person();
wallet1.AddCard(mastercard);
wallet1.AddCard(visa);
wallet1.AddCard(discover);
wallet2.AddCard(visa);
wallet2.AddCard(mastercard);
person1.AddWallet(wallet1);
person2.AddWallet(wallet2);
double person1Interest = person1.CalculatePersonInterest();
double person2Interest = person2.CalculatePersonInterest();
Assert.AreEqual(person1Interest, 16);
Assert.AreEqual(person2Interest, 15);
}
public void TestCase2()
{
//Arrange
decimal bal = 100m;
var visa = new Visa(bal);
var mc = new MasterCard(bal);
var disc = new Discover(bal);
Wallet margesWallet1 = new Wallet();
margesWallet1.AddCard(visa);
margesWallet1.AddCard(disc);
Wallet margesWallet2 = new Wallet();
margesWallet2.AddCard(mc);
Person marge = new Person("Marge Simpson", new List <Wallet>()
{
margesWallet1, margesWallet2
});
//Act
decimal interestMarge = InterestCalculator.CalculatePersonSimpleInterest(marge);
decimal interestWallet1 = InterestCalculator.CalculateWalletSimpleInterest(margesWallet1);
decimal interestWallet2 = InterestCalculator.CalculateWalletSimpleInterest(margesWallet2);
//Assert
Assert.Equal(16m, interestMarge); //Total simple interest for the person
Assert.Equal(11m, interestWallet1); //Simple interest per wallet
Assert.Equal(5m, interestWallet2);
Assert.Equal(interestMarge, interestWallet1 + interestWallet2); //Total should equal the sum of all wallets
}
public void SecondTest()
{
var person = new Person("Second", "Person");
var wallet1 = new Wallet();
wallet1.AddCard(_visa);
wallet1.AddCard(_discover);
person.AddWallet(wallet1);
var wallet2 = new Wallet();
wallet2.AddCard(_masterCard);
person.AddWallet(wallet2);
// Spec:
// 1 Person, 2 wallets
// Wallet 1 - 1 Visa, 1 Discover
// Wallet 2 - 1 MC
var totalPersonInterest = (_visa.GetMonthlyInterestStatement() + _discover.GetMonthlyInterestStatement() +
_masterCard.GetMonthlyInterestStatement());
Assert.IsTrue(person.CalculateTotalWalletInterest() == totalPersonInterest,
$"Total interest of both wallets for this person should be {totalPersonInterest.ToString("C")}");
int walletCount = 0;
person.Wallets.ForEach(ww => {
walletCount++;
// Test total interest per wallet.
if (walletCount == 1)
{
Assert.IsTrue(ww.CalculateTotalInterest() == (_visa.GetMonthlyInterestStatement() + _discover.GetMonthlyInterestStatement()),
$"Total interest in wallet 1 should be {(_visa.GetMonthlyInterestStatement() + _discover.GetMonthlyInterestStatement()).ToString("C")}");
}
else
{
Assert.IsTrue(ww.CalculateTotalInterest() == _masterCard.GetMonthlyInterestStatement(),
$"Total interest in wallet 2 should be {_masterCard.GetMonthlyInterestStatement().ToString("C")}");
}
ww.CreditCards.ForEach(cc =>
{
switch (cc.CardType)
{
case CreditCardType.Discover:
Assert.IsTrue(walletCount == 1,
"Making sure the Discover card is in wallet 1");
break;
case CreditCardType.MasterCard:
Assert.IsTrue(walletCount == 2,
"Making sure the MasterCard is in wallet 2");
break;
case CreditCardType.Visa:
Assert.IsTrue(walletCount == 1,
"Making sure the Visa is in wallet 1");
break;
}
});
}
);
}
public void ThirdTest()
{
var personOne = new Person("Person", "One");
var wallet1 = new Wallet();
/*
* Spec says: "person 1 has 1 wallet , with 2 cards MC and visa".
* I am interpreting this to be 2 cards MC and 1 card Visa since
* the implied Visa count appears to be one though the spec for person
* two explicitly states only one wallet and 1 MC and 1 Visa in the wallet.
* I would normally ask for clarification, though. */
wallet1.AddCard(_masterCard);
wallet1.AddCard(_masterCard);
wallet1.AddCard(_visa);
personOne.AddWallet(wallet1);
var personTwo = new Person("Person", "Two");
var wallet2 = new Wallet();
wallet2.AddCard(_visa);
wallet2.AddCard(_masterCard);
personTwo.AddWallet(wallet2);
List <IPerson> people = new List <IPerson> {
personOne, personTwo
};
int personCount = 0;
foreach (var personItem in people)
{
personCount++;
double totalInterestPerPerson = 0.00;
int walletCount = 0;
personItem.Wallets.ForEach(ww => {
walletCount++;
var totalPerWallet = ww.CalculateTotalInterest();
double cardSum = 0.00;
if (personCount == 1 && walletCount == 1)
{
cardSum = (_masterCard.GetMonthlyInterestStatement() * 2) + _visa.GetMonthlyInterestStatement();
}
else if (personCount == 2 && walletCount == 1)
{
cardSum = _masterCard.GetMonthlyInterestStatement() + _visa.GetMonthlyInterestStatement();
}
Assert.IsTrue(totalPerWallet == cardSum, $"Total interest in wallet {walletCount} is {cardSum}");
totalInterestPerPerson += totalPerWallet;
});
if (personCount == 1)
{
Assert.IsTrue(totalInterestPerPerson == (_masterCard.GetMonthlyInterestStatement() * 2) + _visa.GetMonthlyInterestStatement(),
$"Total interest in wallet {walletCount} is {((_masterCard.GetMonthlyInterestStatement() * 2) + _visa.GetMonthlyInterestStatement()).ToString("C")}");
}
else
{
Assert.IsTrue(totalInterestPerPerson == _masterCard.GetMonthlyInterestStatement() + _visa.GetMonthlyInterestStatement(),
$"Total interest in wallet {walletCount} is {(_masterCard.GetMonthlyInterestStatement() + _visa.GetMonthlyInterestStatement()).ToString("C")}");
}
}
}
